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Balances FAQ

Balances

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Frequently Asked Questions

Q.Please tell me the criteria for choosing a balance.
Q.What are the differences between "single range", "dual range" and "wide range"?
Q.What kind of balance is needed to build a system compliant with guidelines and standards such as GLP, GMP and the ISO 9000 Series?
Q.Please tell me the points to be careful of when installing a balance.
Q.What kinds of things should we be careful of to ensure that measurement is performed with good precision?
Q.When measuring trace amounts of samples, the balance sometimes does not react at all or it reacts slowly. Is there any way of quickly displaying weighing values?
Q.When assessing a product, it must read accurately down to the 0.01 g digit. In this case, is it OK to use an electronic balance with a minimum display of 0.01 g?
Q.When measuring samples or containers charged with static electricity, numerical values deviate or vary. Please tell me if there is any way of correcting this.
Q.When measuring samples on an analytical balance, numerical values deviate gradually a little at a time. What are the probable causes of this? And, are there any means of correcting this?
Q.Please tell me the key points in how to perform daily inspection and periodic inspection of balances.
Q.What kind of mechanisms do balances with built-in calibration weights incorporate to perform calibration? Also, when a balance with built-in calibration weights is used, aren't external weights needed when performing ISO 900, or GLP and GMP inspections?
Q.What kind of standards should be set up when inspecting the performance of a balance? Please give me actual examples.
Q.Please tell me the differences between regular inspection and JCSS calibration of balances.
Q.Currently, we are using JCSS weights at our company to calibrate balances. So, I feel that there is no need to go so far as to commission an outside organization to conduct JCSS calibration. In which cases is JCSS calibration needed?
Q.I have heard that "uncertainty" is needed to ensure the traceability of weighing. What is this?
Q.What kind of measures are required if the preset criteria range is exceeded (i.e. judged as fail) after a balance is inspected?
Q.Please tell me the types of weights and how to choose them.
Q.Please tell me the precautions to follow when using and storing weights.